Knowledge Base

My HRM turns off occasionally when I am rowing. It comes back on within a minute or two. It seems to be working correctly when it works. I changed the battery in the pick-up on the belt, and that didn't seem to make any difference. Any idea why it goes o

Hello,

It sounds as if the heart rate belt isn't detecting a heart rate for some reason for a little while and then shutting off. Once it detects it again, then it comes back on.

I would try cleaning the heart rate belt to see if that helps. One is the contacts on the buckle, see here: https://nksports.com/faqs/question/view/id/173

The other are the rubber straps that go ahead your body. You can use a mild soap and warm water to clean these off. Hopefully this helps.